CN107325483A - A kind of heat resistant and wear resistant composite, preparation method and application - Google Patents
A kind of heat resistant and wear resistant composite, preparation method and application Download PDFInfo
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
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- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
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- C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
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Abstract
The invention discloses a kind of heat resistant and wear resistant composite, preparation method and applications, belong to high molecular abrasion-proof Material Field.The heat resistant and wear resistant composite, including following raw material and parts by weight：100 parts of thermoplastic resin, 10 40 parts of carbon fiber, 40 100 parts of high-abrasive material, 0.1 1.0 parts of Heat Conduction Material, 0.5 2.0 parts of coupling agent, 0.2 1.0 parts of antioxidant, 0.5 5.0 parts of lubricant.Heat resistant and wear resistant composite obtained by the present invention, the characteristics of with light specific gravity, high intensity, and the performance such as wearability, corrosion resistance, resistance to ag(e)ing is improved, and is a kind of composite of excellent combination property, can effectively replace metal alloy and ceramic material.
Description
Technical field
The present invention relates to high molecular abrasion-proof Material Field, and in particular to a kind of heat resistant and wear resistant composite, preparation method
And application.
Background technology
High-abrasive material is high-tech sector and the national defense construction such as information technology, biotechnology, energy technology, high-end equipment
Important foundation material, while also being had a very important role to transforming some conventional industries.High-abrasive material is especially stopped in automobile
The fields such as car piece, aircraft finance lease, emery wheel, ball mill, engineering machinery slush pump and mixer interior lining panel play a significant role.
High-abrasive material is divided into two major classes, and a class is the high-abrasive material that purposes is covered as bearing axle, it is desirable to preferable profit
Slip and wearability；One class is as friction material, it is desirable to the characteristic such as high rigidity, high intensity, high temperature resistant, wear-resistant, this
Plant material and be also known as antifriction material, this antifriction material typically uses metal or ceramic based material.Metal, ceramic material have compared with
High hardness, intensity, high temperature resistant, but it than great, perishable, easy to wear, service life is short, meanwhile, noise during use
It is larger.Although high molecular abrasion-proof material wearability is good, its intensity, hardness is low, not heatproof, is rarely used in antifriction material.
In recent years, development of metallic powder metallurgy and ceramic composite in the industry, for antifriction material, applied to manufacture vapour
The fields such as car brake block, aircraft finance lease, emery wheel, ball mill.Had some improvement in terms of anti-attrition, but still exist than
The problems such as great, perishable and high manufacturing cost.
The content of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of heat resistant and wear resistant composite wood
Material, preparation method and application, overcome variety of problems present in prior art.
To achieve these goals or other purposes, the present invention is achieved by the following technical solutions：
A kind of heat resistant and wear resistant composite, including following raw material and parts by weight：
Further, the one kind or many of the thermoplastic resin in aromatic polymer, polyimide-based polymer
Kind.The particle diameter of thermoplastic resin is 50-200 μm.Preferably, the particle diameter of thermoplastic resin is 80-100 μm.
Preferably, aromatic polymer is that polyether-ketone or Sulfone are birdsed of the same feather flock together compound, selected from polyether-ether-ketone (PEEk), polyether sulfone
Or polysulfones (PSU) (PES).
Preferably, polyimide-based polymer is selected from polypyromelliticimide, soluble polyimide, polyamide-acyl Asia
One kind in amine (PAI), PEI (PEI).
Wherein, polyether-ether-ketone belongs to all aromatic semi-crystalline polymer, with excellent high temperature resistant, wearability；Make for a long time
With temperature at 160-260 DEG C, heat distortion temperature is 260 DEG C；PES, PSF have similar characteristic to PEEK, belong to high rigidity high
Intensity heat resistant and wear resistant material, it is -40-220 DEG C that temperature, which is used for a long time, in it.The use of carbon fiber in the present invention, can be significantly
The heat resistance of this kind of aromatic polymer is improved, its heat distortion temperature is up to more than 350 DEG C, and mechanical property is also greatly improved,
Meanwhile, make material that there is good lubricity and wearability；Polyimides has extremely low coefficient of friction and an abrasion, high resistance to compression,
Bending resistance, impact resilience, high-low temperature resistant are excellent, can be used for a long time at -200-300 DEG C.Therefore, this two classes heat-resistant polymer is selected
Make high-abrasive material base material, can not only assign composite excellent heat-resistant antifriction, moreover, can also improve the compressing of material, it is curved
Qu Qiangdu and splendid corrosion resistance.
Further, the carbon fiber (CF) is the short fibre of high strength and modulus, and carbon fiber is T700-T1000, carbon fiber rule
Lattice are 6-24K (being 6000-24000 i.e. per beam single fiber number).Preferably, carbon fiber is T700-T800, and carbon fiber specification is 8-
12K (being 8000-12000 i.e. per beam single fiber number).
Preferably, the filament diameter of carbon fiber is 5-10 μm, and fibre length is 0.5-3mm.It is highly preferred that the list of carbon fiber
A diameter of 6-7 μm of silk, fibre length is 1.0-2.0mm.The filament diameter and fibre length of carbon fiber are to Compound Material Engineering
There can be large effect with wearability, when fibre diameter is too big or long, the increase for causing composite to wear away also results in it
Mechanical properties decrease；When carbon fiber length used is too small, its enhancing effect is poor.The consumption of carbon fiber is unsuitable too high, otherwise, meeting
Causing the abrasion of material increases；Consumption can not then assign composite enough intensity very little, and carbon fiber consumption is excellent in the present invention
Select 15-25 parts.
Further, the high-abrasive material be the ceramic nano material with high strength and high hardness, selected from alumina whisker,
One or more in silicon carbide whisker, silica whisker, carbonization boron whisker, magnesia crystal whisker, such ceramic nano material tool
There are high rigidity, low abrasion characteristic, while also preferable thermal conduction characteristic, frictional heat that can in time produced by Decentralized Friction material,
Friction Temperature Rise is reduced, for polymer matrix high-abrasive material, the thermal degradation of polymer can be reduced, the use of composite is improved
Life-span.Considered based on wear-resisting with thermal conductivity, high-abrasive material preferred mass ratio is 10：The alumina whisker and silicon carbide whisker of (1-3)
Must, or mass ratio is 10：The alumina whisker and silicon nitride crystal whisker of (1-3), or mass ratio are 10：The alumina whisker of (1-3)
It is 10 with the boron whisker that is carbonized, or mass ratio：The combination of the alumina whisker and magnesia crystal whisker of (1-3).It is highly preferred that above-mentioned group
The mass ratio of conjunction is 10：(1.5-2.0).
Further, a diameter of 20-100nm of high-abrasive material.Preferably 40-60nm.
Further, the Heat Conduction Material be selected from graphene nano material, graphene nano material have excellent heat conduction,
Conductive characteristic, the thermal conductivity of composite can be improved by being added in composite, while improving its wearability.
The particle diameter of the graphene nano material is 10-100nm.Preferably, the particle diameter of graphene nano material is 30-
60nm.Preferably, the consumption of graphene nano material is 0.6-0.8 parts.
Further, the coupling agent is selected from silane coupling agent, including KH550, KH560, KH570.Adopted in the present invention
Ceramic nano material is surface-treated with coupling agent, the compatibility between ceramic nano material and polymer can be improved with dividing
Dissipate property.Preferably, the consumption of coupling agent is 0.6-0.8 parts.
Further, the lubricant is selected from polytetrafluoroethylene (PTFE) (PTFE), molybdenum disulfide (MoS2), silicone, in graphite
One kind, wherein, polytetrafluoroethylene (PTFE) and silicone belong to organic polymer lubricant, with good lubrication, can reduce
Adhesive wear；Molybdenum disulfide, graphite are then preferable kollags, with the effect for stablizing coefficient of friction, meanwhile, it can subtract
The abrasion of few material.
Preferably, lubricant is a kind of and molybdenum disulfide or the mixture of graphite in polytetrafluoroethylene (PTFE) and silicone, is gathered
Tetrafluoroethene or silicone, the mass ratio with molybdenum disulfide or graphite are (2-6)：(4-8).
Preferably, lubricant quantity is 1.0-2.0 parts.
Further, the antioxidant includes the mass ratio of primary antioxidant and auxiliary anti-oxidant, primary antioxidant and auxiliary anti-oxidant
For 3:2.The primary antioxidant is selected from 412S or HP-136, and the auxiliary anti-oxidant is selected from HostaoxP-EPQ.The present invention is used
Antioxidant decomposition temperature be more than 350 DEG C, the ageing resistace of high temperature polymer can be improved.Total consumption of the antioxidant is preferred
For 0.4-0.6 parts.
Second aspect of the present invention additionally provides a kind of method for preparing above-mentioned heat resistant and wear resistant composite, including following step
Suddenly：
(1) high-abrasive material, Heat Conduction Material are mixed, then adds coupling agent, stirring is lower to heat；
(2) thermoplastic resin, lubricant, antioxidant, stirring are added into the compound of step (1)；
(3) carbon fiber is added into the compound of step (2), stirred；
(4) compound for obtaining step (3) is added in mould, sequentially passes through heating pressurization, constant temperature and pressure, pressurize cooling
Triphasic compression molding, then processes and high abrasion goods is made.
Preferably, mixing speed is 100-500rpm in step (1).It is highly preferred that mixing speed is 150- in step (1)
200rpm。
Preferably, heating-up temperature is 40-80 DEG C in step (1), and the heat time is 5-10min.It is highly preferred that step (1)
Middle heating-up temperature is 60-70 DEG C, and the heat time is 6-8min.
Preferably, mixing time is 5-10min in step (2), and mixing speed is 100-500rpm.It is highly preferred that step
(2) mixing time is 6-8min in, and mixing speed is 60-80rpm.
Preferably, mixing time is 2-8min in step (3), and mixing speed is 50-100rpm.It is highly preferred that step (3)
Middle mixing time is 3-5min, and mixing speed is 60-80rpm.
Further, the condition of first stage heating pressurization is in step (4)：Heating-up temperature is 350-400 DEG C, pressure
0.5-2.0MPa, the time is 30-60min；This stage main task is that heating makes polymer melting, and heating-up temperature can be according to used
Melting point polymer select, melting temperature is too high, then triggers thermal polymer degradation, when temperature is too low, polymer fails fully
Melting, influences the performance of composite.Preferably, pressure is 1.0-1.5MPa.
Further, the condition of second stage constant temperature and pressure is in step (4)：Heating-up temperature is 350-400 DEG C, pressure
2.0-10MPa, the time is 1.0-2.0h；This stage is to ensure that polymer is fully plastified and coating ceramic nano material.Preferably,
Pressure is 5-8MPa, and the time is 1.2-1.5h.
Further, the condition of phase III pressurize cooling is in step (4)：Pressure 2.0-10MPa, the time is 1.0-
2.0h.Preferably, pressure is 5-8MPa, and the time is 80-90min.
In the present invention after the compression molding of three phases, finished product is taken out, can be according to different purposes, by pressing
It is machined out, obtains final required high abrasion goods.
Third aspect present invention additionally provides a kind of above-mentioned heat resistant and wear resistant composite in automobile brake sheet, engineering machinery
Slush pump and the application in mixer interior lining panel field.
In summary, a kind of heat resistant and wear resistant composite that the present invention is provided, using heat-resistant polymer as base material, with
High intensity, high rigidity, high temperature resistant, anti abrasive nano-ceramic powder powder material are decided and want antifriction material, and it is resistance to make enhancing with carbon fiber
Material is ground, graphene has lubrication, the material and surface modifying agent component of antiwear characteristic, institute concurrently as heat conduction high-abrasive material, addition
Obtained high-abrasive material has the characteristics that：(1) proportion is lighter, about 1/5th of metal, for equipment wear parts light weight
Change and new approach is provided；(2) reinforcing material is made using carbon fiber, the characteristic of composite material high strength degree can be assigned；(3) using ceramics
Nano material makees anti-attrition component, greatly improves composite anti-attrition wearability；(4) graphene as composite anti-attrition with
Heat conduction component, greatly improves the wear resistence of material, assigns material excellent thermal conductivity, reduces material friction heat, improves material
Heat aging；(5) base material is made with heat-resistant polymer, assigns material excellent corrosion resistance, its corrosive wear is reduced, so as to carry
The high materials'use life-span.
In a word, heat resistant and wear resistant composite of the invention is a kind of polymer matrix Ceramic Composite material of excellent combination property
Material, alternative metal alloy and ceramic material.
Embodiment
Illustrate embodiments of the present invention below by way of particular specific embodiment, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.The present invention can also be by different specific in addition
Embodiment is embodied or practiced, and the various details in this specification can also not carried on the back based on different viewpoints and application
Various modifications or alterations are carried out under spirit from the present invention.It should be noted that, in the case where not conflicting, following examples and reality
Applying the feature in example can be mutually combined.
Raw material components used in the present invention can be obtained by general commercial means.Wherein, the particle diameter of thermoplastic resin
For 50-200 μm, it is preferable that the particle diameter of thermoplastic resin is 80-100 μm.Carbon fiber is selected from T700-T1000, carbon fiber specification
For 6-24K, the filament diameter of carbon fiber is 5-10 μm, and fibre length is 0.5-3mm.A diameter of 20-100nm of high-abrasive material.
Preferably 40-60nm.The particle diameter of graphene nano material is 10-100nm.Preferably, the particle diameter of graphene nano material is 30-
60nm。
Embodiment 1
A kind of heat resistant and wear resistant composite, including following raw material and parts by weight：2.0kg PEEK, 0.6kg carbon fibers,
1.0kg alumina whiskers, 0.2kg silicon carbide whiskers, 3.0g graphene nano materials, the main antioxygens of 12g coupling agents KH550,6.0g
Agent 412S, 4g auxiliary anti-oxidant HostaoxP-EPQ, 10g lubricant polytetrafluoroethylene (PTFE), 10g molybdenum disulfide (MoS2)。
Preparation method comprises the following steps：
(1) high-abrasive material alumina whisker, silicon carbide whisker, graphene nano material are proportionally added into mixer and mixed
Close, coupling agent KH550 is added under heating stirring, 6min is stirred at 60 DEG C, mixing speed is controlled in 150rpm；
(2) added into the compound of step (1) thermoplastic resin PEEK, lubricant polytetrafluoroethylene (PTFE) and molybdenum disulfide,
Antioxidant, stirs 6min；
(3) carbon fiber is added into the compound of step (2), speed of agitator is adjusted to 60rpm, stir 5min；
(4) compound for obtaining step (3) adds in mould and carries out compression molding, and compression molding process is divided into three ranks
Section：
First stage heating pressurization：380 DEG C of heating-up temperature, pressure 1.5MPa, time：40min；
Second stage constant temperature and pressure：380 DEG C of heating-up temperature, pressure 5MPa, dwell time：1.5 hour；
Second stage pressurize cools：Stop heating, keep pressure 5MPa, time：1.5 hour；Pressurize stops adding after terminating
Pressure, naturally cools to 40 DEG C, opening mold takes out finished product, obtains heat resistant and wear resistant PEEK composite board blanks.Used according to different
On the way, pressing is machined out, obtains final high abrasion goods.
Embodiment 2
A kind of heat resistant and wear resistant composite, including following raw material and parts by weight：2.0kg polyether sulfones, 0.2kg carbon is fine
Dimension, 0.8kg alumina whiskers, 0.2kg silicon nitride crystal whiskers, 2.0g graphene nano materials, 20g coupling agent KH550,2.4g master resists
Oxygen agent 412S, 1.6g auxiliary anti-oxidant HostaoxP-EPQ, 6g lubricant silicone, 24g molybdenum disulfide (MoS2)。
Preparation method comprises the following steps：
(1) high-abrasive material alumina whisker, silicon nitride crystal whisker, graphene nano material are proportionally added into mixer and mixed
Close, coupling agent KH 550 is added under heating stirring, 5min is stirred at 80 DEG C, mixing speed is controlled in 100rpm；
(2) thermoplastic resin polyether sulfone, lubricant silicone and molybdenum disulfide are added into the compound of step (1), is resisted
Oxygen agent, stirs 5min；
(3) carbon fiber is added into the compound of step (2), speed of agitator is adjusted to 100rpm, stir 2min；
(4) compound for obtaining step (3) adds in mould and carries out compression molding, and compression molding process is divided into three ranks
Section：
First stage heating pressurization：350 DEG C of heating-up temperature, pressure 2.0MPa, time：60min；
Second stage constant temperature and pressure：350 DEG C of heating-up temperature, pressure 10MPa, dwell time：1 hour；
Second stage pressurize cools：Stop heating, keep pressure 10MPa, time：2 hours；Pressurize stops adding after terminating
Pressure, naturally cools to 40 DEG C, opening mold takes out finished product, obtains heat resistant and wear resistant PEEK composite board blanks.Used according to different
On the way, pressing is machined out, obtains final high abrasion goods.
Embodiment 3
A kind of heat resistant and wear resistant composite, including following raw material and parts by weight：2.0kg polysulfones, 0.8kg carbon fibers,
1.5kg alumina whiskers, 0.5kg silicon carbide whiskers, 10g graphene nano materials, 40g coupling agents KH560,12g primary antioxidant
412S, 8g auxiliary anti-oxidant HostaoxP-EPQ, 5g lubricant polytetrafluoroethylene (PTFE), 5g graphite.
Preparation method comprises the following steps：
(1) high-abrasive material alumina whisker, silicon carbide whisker, graphene nano material are proportionally added into mixer and mixed
Close, coupling agent KH560 is added under heating stirring, 10min is stirred at 40 DEG C, mixing speed is controlled in 500rpm；
(2) thermoplastic resin polysulfones, lubricant polytetrafluoroethylene (PTFE) and graphite, antioxygen are added into the compound of step (1)
Agent, stirs 10min；
(3) carbon fiber is added into the compound of step (2), speed of agitator is adjusted to 50rpm, stir 2min；
(4) compound for obtaining step (3) adds in mould and carries out compression molding, and compression molding process is divided into three ranks
Section：
First stage heating pressurization：400 DEG C of heating-up temperature, pressure 0.5MPa, time：30min；
Second stage constant temperature and pressure：400 DEG C of heating-up temperature, pressure 2.0MPa, dwell time：2 hours；
Second stage pressurize cools：Stop heating, keep pressure 2.0MPa, time：1 hour；Pressurize stops adding after terminating
Pressure, naturally cools to 40 DEG C, opening mold takes out finished product, obtains heat resistant and wear resistant PEEK composite board blanks.Used according to different
On the way, pressing is machined out, obtains final high abrasion goods.
Embodiment 4
A kind of heat resistant and wear resistant composite, including following raw material and parts by weight：2.0kg PEIs, 0.5kg carbon
Fiber, 1.1kg alumina whiskers, 0.3kg carbonization boron whiskers, 20g graphene nano materials, 10g coupling agents KH 570,7.2g master
Antioxidant 412S, 4.8g auxiliary anti-oxidant HostaoxP-EPQ, 8.4g lubricant polytetrafluoroethylene (PTFE), 5.6g molybdenum disulfide (MoS2)。
Preparation method comprises the following steps：
(1) high-abrasive material alumina whisker, carbonization boron whisker, graphene nano material are proportionally added into mixer and mixed
Close, coupling agent KH 570 is added under heating stirring, 8min is stirred at 70 DEG C, mixing speed is controlled in 200rpm；
(2) thermoplastic resin PEI, lubricant polytetrafluoroethylene (PTFE) and two sulphur are added into the compound of step (1)
Change molybdenum, antioxidant, stir 8min；
(3) carbon fiber is added into the compound of step (2), speed of agitator is adjusted to 60rpm, stir 5min；
(4) compound for obtaining step (3) adds in mould and carries out compression molding, and compression molding process is divided into three ranks
Section：
First stage heating pressurization：400 DEG C of heating-up temperature, pressure 1.0MPa, time：50min；
Second stage constant temperature and pressure：400 DEG C of heating-up temperature, pressure 8MPa, dwell time：1.2 hour；
Second stage pressurize cools：Stop heating, keep pressure 8MPa, time：80min；Pressurize stops adding after terminating
Pressure, naturally cools to 40 DEG C, opening mold takes out finished product, obtains heat resistant and wear resistant PEEK composite board blanks.Used according to different
On the way, pressing is machined out, obtains final high abrasion goods.Machine processability test bars.Test compound material
Mechanical property and coefficient of friction, abrasion, friction Temperature Rise.
Embodiment 5
A kind of heat resistant and wear resistant composite, including following raw material and parts by weight：2.0kg polyimides, 0.3kg carbon is fine
Dimension, 1.6kg alumina whiskers, 12g graphene nano materials, 16g coupling agents KH 550,4.8g primary antioxidants 412S, 3.2g is auxiliary
Antioxidant HostaoxP-EPQ, 8g lubricant polytetrafluoroethylene (PTFE), 16g molybdenum disulfide (MoS2)。
Preparation method comprises the following steps：
(1) high-abrasive material alumina whisker, graphene nano material are proportionally added into stirrer for mixing, heating stirring
Lower addition coupling agent KH 550,7min is stirred at 65 DEG C, and mixing speed is controlled in 300rpm；
(2) thermoplastic resin polyimides, lubricant polytetrafluoroethylene (PTFE) and curing are added into the compound of step (1)
Molybdenum, antioxidant, stir 7min；
(3) carbon fiber is added into the compound of step (2), speed of agitator is adjusted to 70rpm, stir 4min；
(4) compound for obtaining step (3) adds in mould and carries out compression molding, and compression molding process is divided into three ranks
Section；
First stage heating pressurization：390 DEG C of heating-up temperature, pressure 1.2MPa, time：50min；
Second stage constant temperature and pressure：390 DEG C of heating-up temperature, pressure 6MPa, dwell time：1.3 hour；
Second stage pressurize cools：Stop heating, keep pressure 6MPa, time：85min；Pressurize stops adding after terminating
Pressure, naturally cools to 40 DEG C, opening mold takes out finished product, obtains heat resistant and wear resistant PEEK composite board blanks.Used according to different
On the way, pressing is machined out, obtains final high abrasion goods.Machine processability test bars.Test compound material
Mechanical property and coefficient of friction, abrasion, friction Temperature Rise.
Embodiment 6
A kind of heat resistant and wear resistant composite, including following raw material and parts by weight：2.0kg PEEK, 0.3kg carbon fibers,
1.0kg alumina whiskers, 0.2kg silicon nitride crystal whiskers, 12g graphene nano materials, 16g coupling agents KH 550, the main antioxygens of 4.8g
Agent 412S, 3.2g auxiliary anti-oxidant HostaoxP-EPQ, 8g lubricant polytetrafluoroethylene (PTFE), 16g molybdenum disulfide (MoS2)。
Preparation method be the same as Example 1.
Embodiment 7
A kind of heat resistant and wear resistant composite, including following raw material and parts by weight：2.0kg PEEK, 0.2kg carbon fibers,
0.8kg alumina whiskers, 0.2kg carbonization boron whiskers, 2.0g graphene nano materials, the main antioxygens of 20g coupling agents KH550,2.4g
Agent 412S, 1.6g auxiliary anti-oxidant HostaoxP-EPQ, 6g lubricant silicone, 24g molybdenum disulfide (MoS2)。
Preparation method be the same as Example 1.
Embodiment 8
A kind of heat resistant and wear resistant composite, including following raw material and parts by weight：2.0kg PEEK, 0.2kg carbon fibers,
0.8kg alumina whiskers, 0.2kg magnesia crystal whiskers, 2.0g graphene nano materials, the main antioxygens of 20g coupling agents KH550,2.4g
Agent 412S, 1.6g auxiliary anti-oxidant HostaoxP-EPQ, 6g lubricant silicone, 24g molybdenum disulfide (MoS2)。
Preparation method be the same as Example 1.
Performance detection
Performance detection is carried out to composite made from embodiment 1-8 respectively, testing result is as shown in table 1.Wherein, each property
Can examination criteria be respectively：
Tensile strength (MPa)：ASTM D638；
Bending strength (MPa)：ASTM D790；
Bending modulus (MPa)：ASTM D790；
Unnotched impact strength (KJ/m2)：ASTM D756；
Heat distortion temperature (DEG C)：ASTM D648；
Coefficient of friction (μ)：ASTMG99-04, testing conditions are：Pressure：625N, speed：30r/min；
Wear away (mg)：ASTMG 99-04, testing conditions are：Pressure：625N, speed：30r/mim.
Friction Temperature Rise (DEG C)：Frictional experiment is carried out by ASTMG99-04, the surface temperature of material before and after friction is surveyed.Friction temperature
Rise the temperature difference before and after as material friction.
The performance test results of composite obtained by the embodiment 1-8 of table 1
As it can be seen from table 1 the wearing composite material of the present invention is respectively provided with high-modulus, high intensity, wear-resisting, heat conduction and resistance to
The characteristic of high temperature.Wherein, polyimides makees during base material its modulus and reaches 6.4GPa, and heat distortion temperature is up to 351 DEG C, and coefficient of friction is
0.18, wear away as 11mg, friction Temperature Rise is 11 DEG C；In example 6-7, base material, aluminum oxide and silicon nitride, oxidation are made using PEEK
When aluminium makees complex abrasion-proof component with boron carbide, its wearability and thermal conductivity have further raising.Surveyed by the performance in table 1
Test result can show that heat resistant and wear resistant composite of the invention is adapted to higher friction velocity application field.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (10)
1. a kind of heat resistant and wear resistant composite, it is characterised in that including following raw material and parts by weight：
2. heat resistant and wear resistant composite according to claim 1, it is characterised in that the thermoplastic resin is selected from fragrance
One or more in adoption compound, polyimide-based polymer.
3. heat resistant and wear resistant composite according to claim 1, it is characterised in that the fibre length of the carbon fiber is
0.5-3mm, filament diameter is 5-10 μm.
4. heat resistant and wear resistant composite according to claim 1, it is characterised in that the high-abrasive material is selected from aluminum oxide
One or more in whisker, silicon carbide whisker, silica whisker, carbonization boron whisker, magnesia crystal whisker.
5. heat resistant and wear resistant composite according to claim 1, it is characterised in that the Heat Conduction Material is selected from graphene
Nano material.
6. prepare the method for any one of claim 1 to the 5 heat resistant and wear resistant composite, it is characterised in that including following
Step：
(1) high-abrasive material, Heat Conduction Material are mixed, then adds coupling agent, stirring is lower to heat；
(2) thermoplastic resin, lubricant, antioxidant, stirring are added into the compound of step (1)；
(3) carbon fiber is added into the compound of step (2), stirred；
(4) compound for obtaining step (3) is added in mould, sequentially passes through heating pressurization, constant temperature and pressure, pressurize three ranks of cooling
The compression molding of section, then processes and high abrasion goods is made.
7. method according to claim 6, it is characterised in that heating-up temperature is 40-80 DEG C, heat time in step (1)
For 5-10min.
8. method according to claim 6, it is characterised in that mixing time is 2-8min in step (3).
9. method according to claim 6, it is characterised in that any one or many also included the following features in step (4)
：
Heating the condition pressurizeed is：Heating-up temperature is 350-400 DEG C, and pressure 0.5-2.0MPa, the time is 30-60min；
The condition of constant temperature and pressure is：Heating-up temperature is 350-400 DEG C, and pressure 2.0-10MPa, the time is 1.0-2.0h；
Pressurize cooling condition be：Pressure 2.0-10MPa, the time is 1.0-2.0h.
10. any one of claim 1 to the 5 heat resistant and wear resistant composite automobile brake sheet, engineering machinery slush pump and
The application in mixer interior lining panel field.
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| CN108047641A (en) * | 2017-11-14 | 2018-05-18 | 常州德毅新材料科技有限公司 | By heat-resisting improved polyetheretherketonematerials materials and preparation method thereof |
| CN108192276A (en) * | 2017-12-23 | 2018-06-22 | 湛江正信科技服务有限公司 | A kind of wear-resisting polyether-ether-ketone composite material and preparation method thereof |
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| CN110408205B (en) * | 2019-07-26 | 2022-03-25 | 中车青岛四方机车车辆股份有限公司 | Heat-resistant and wear-resistant composition and preparation method and application thereof |
| CN110408205A (en) * | 2019-07-26 | 2019-11-05 | 中车青岛四方机车车辆股份有限公司 | A kind of heat-resistant antifriction composition and its preparation method and application |
| CN111303629A (en) * | 2019-12-27 | 2020-06-19 | 长沙新材料产业研究院有限公司 | High-temperature-resistant self-lubricating wear-resistant composite material and preparation method thereof |
| CN111171509A (en) * | 2020-01-18 | 2020-05-19 | 博蔓医疗科技(常州)有限公司 | Preparation method of graphene modified polyether-ether-ketone composite material |
| CN111154226A (en) * | 2020-01-18 | 2020-05-15 | 博蔓医疗科技(常州)有限公司 | Graphene modified polyether-ether-ketone composite material |
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| CN113321889A (en) * | 2021-06-02 | 2021-08-31 | 深圳市黑金工业制造有限公司 | Preparation method of light conductive wear-resistant material |
| CN114907656A (en) * | 2022-05-13 | 2022-08-16 | 中国科学院兰州化学物理研究所 | Antistatic polytetrafluoroethylene sealing material and preparation method thereof |
| CN114907656B (en) * | 2022-05-13 | 2023-02-17 | 中国科学院兰州化学物理研究所 | Antistatic polytetrafluoroethylene sealing material and preparation method thereof |
| CN116622232A (en) * | 2023-07-20 | 2023-08-22 | 广州傲群刷业科技有限公司 | Wear-resistant composite material, wire drawing process thereof and application of wear-resistant composite material in hairbrush |
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